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题型:填空题 题类:常考题 难易度:困难
6的乘法口诀1774 10
六九五十四
三六{#blank#}1{#/blank#}
6×{#blank#}2{#/blank#}={#blank#}3{#/blank#}
3×{#blank#}4{#/blank#}={#blank#}5{#/blank#}
36,30,{#blank#}1{#/blank#},18,{#blank#}2{#/blank#},{#blank#}3{#/blank#}
{#blank#}1{#/blank#}×8<66 {#blank#}2{#/blank#}<7×6 36>{#blank#}3{#/blank#}×7
{#blank#}4{#/blank#}×6<38 {#blank#}5{#/blank#}<65-39 18+33>8×{#blank#}6{#/blank#}
20>{#blank#}1{#/blank#}×6
{#blank#}2{#/blank#}×4<11
28>5×{#blank#}3{#/blank#}。
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